REXROTH A4VG - Page 23

RE 92004-01-S031/08.2015 | A4VG Series 40 Bosch Rexroth AG 23/40
Valves
To replace the valve seal:
1. Loosen the low pressure relief valve (6) and screw the low pressure relief
valve (6) out of the pump case (7).
2. Check the O-ring and O-ring groove for damage, wear or contaminants.
3. Exchange the O-ring (2) for a new one.
4. Screw the low pressure relief valve (6) into the pump case (7).
5. Tighten the low pressure relief valve with the tightening torque necessary for
the corresponding model:
Table 4: Tightening torques
Size
Required tightening
torque
up to 110 90 Nm
above 145
120 Nm
Check low pressure - see Chapter "10 Settings".
Procedure